22025628234 has 12 divisors (see below), whose sum is σ = 47722194546. Its totient is φ = 7341876072.

The previous prime is 22025628217. The next prime is 22025628323. The reversal of 22025628234 is 43282652022.

22025628234 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 5 + 628 + 23 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22008612609 + 17015625 = 148353^2 + 4125^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611822989 + ... + 611823024.

Almost surely, 2^22025628234 is an apocalyptic number.

22025628234 is an abundant number, since it is smaller than the sum of its proper divisors (25696566312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22025628234 is a wasteful number, since it uses less digits than its factorization.

22025628234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223646021 (or 1223646018 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 22025628234 in words is "twenty-two billion, twenty-five million, six hundred twenty-eight thousand, two hundred thirty-four".